In electrical resistance welding, distortion results from the use of improper
Clamping methods
Electrodes
Current
Filler material
- Addition of __________ to steel does not impart hardness.
- The unit of gc is
- Which of the following is not an ore of copper?
- In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
- The underground well of a biogas plant is called the
- Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
- When the wavelength of incident X-rays increases, the angle of diffraction
- Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
- For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation…
- For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
- A solar cell converts the sunlight directly into __________ energy.
- Colour comparator is used to measure the
- Presence of nickel & chromium in steel does not raise its
- The most economical channel section for the fluid flow is the one for which the discharge is maximum…
- __________ circuit is most commonly used to measure strain with the help of a strain gauge.
- __________ test can be termed as the semidestructive test.
- Annealing of cast iron
- What is the value of entropy at 273°K?
- Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
- __________ is the most important element, which controls the physical properties of steel.
- Lead is poured into the joints between two __________ pipes.
- Ultimate strength in tension as compared to that in shear for steel is
- Metal shots used in shot blasting are made of
- 'Amortization' in respect of financial obligation of a company means the
- A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
- For preparation of porous bearings by powder metallurgy, preferred particle shape is
- The product (s) of roasting of a sulphide ore is (are)
- Wrought iron does not have
- Brazing is the joining of metals
- For separating small pieces of metal from engine oil of a car, the best separating technique is the